Rolls-Royce Archives
| Identifier | Entry | ||
| Scan001 | Potential cracking in new drop-forged rocker levers and the need for an endurance test. | ||
| View original record | Mr Tonge from BY. C. WP. C. WH. C. EFC. U.W. October 25. 1918. BY9/P251018. CAMSHAFT CASING. X 3401 I have received your memo of the 23rd inst., EWT2/D231018 attaching copy of the Linotype Company's… | ||
| Scan002 | Letter from a supplier regarding the machining and material properties of rocker stampings and forgings. | ||
| View original record | COPY. LINOTYPE & MACHINERY LIMITED, BROADHEATH, ALTRINCHAM, CHESHIRE. H/T. Oct. 22nd. 1918. FOR THE ATTENTION OF MR. TONGE. Messrs. Rolls-Royce Ltd., DERBY. Dear Sirs, We beg to acknowledge receipt of… | ||
| Scan003 | Letter from Linotype & Machinery Ltd. regarding the supply of special rockers and subsequent modifications to jigs. | ||
| View original record | -2- We shall be glad, if after your inspection of these six special Rockers you will kindly advise us if it is your intention to supply this type of forging; if so, this will necessitate slight… | ||
| Scan004 | Request for a report on the endurance test of valve rocker levers made from new style forgings. | ||
| View original record | EH. from EFC. EFC/AT 12.18. X.3401.-ENDURANCE TEST OF VALVE ROCKER LEVERS MADE FROM NEW STYLE FORGINGS. We shall be glad of your report on the above levers at your earliest convenience. EFC. | ||
| Scan005 | Stating that Linotype valve rocker levers are now standard. | ||
| View original record | EFC. from EH. EH20.3.19. X.3401.-LINOTYPE VALVE ROCKER LEVERS. The above levers are now standard. EFC. | ||
| Scan006 | Issues with a sample delivery of Hessbright ball bearings for American engines, requesting an urgent experimental test. | ||
| View original record | R.R. 235a (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/15. X3403 U.W. To EH. from BY. 24th April - 1918. BY6/P24418. AMERICAN ENGINES. RE PLANET WHEEL BALL BEARINGS. (HESSBRIGHT BALL BEARINGS 6307) We have… | ||
| Scan007 | Testing of Hessbright ball bearings for epicyclic gears and the use of steel versus phosphor bronze cages. | ||
| View original record | R.R. 28a m (500 T) (S.E. S:?. 21-4-18) G. 1129 X3403 June 15. 1918. EH. from BY. BY1/P15618. EPICYCLIC GEAR. HESSBRIGHT BALL BEARINGS. Referring to our memo BY6/P24418 on the above subject, we would… | ||
| Scan008 | Letter discussing sample planet ball bearings sent to Derby for trial, comparing Hess-Bright and Hoffman bearings. | ||
| View original record | ROLLS-ROYCE, LIMITED 15 BROAD STREET NEW YORK TELEPHONE HANOVER 2155 OY-1-F-5418 Cleveland, Ohio, May 4th, 1918 BY from OY: Copies FR, E and MA RE SAMPLE PLANET BALL BEARINGS SENT TO DERBY I am sorry… | ||
| Scan009 | The handover of American ball bearings for testing upon arrival. | ||
| View original record | Mr Chatwin from BY/RB. c. EFC. X3403 Re U.S.A.Ball Bearings. With regard to the American ball bearings as indicated in Mr Popes BP2/CW191118, will you kindly note these should be handed over to Mr… | ||
| Scan010 | Test report on the performance and failure of Hess-Bright ball bearings for planet wheels after running on an Eagle engine. | ||
| View original record | X.3403 To R. from EH. c. to CJ. c. to E. c. to BY. c. to OY. ----------- X.3383 RE HESS-BRIGHT BALL BEARINGS CX.3403 FOR PLANET WHEELS The above bearings were sent to us from America by Mr. Olley.… | ||
| Scan011 | The failure of ball bearings used in place of roller bearings on an 'Eagle' Epicyclic Gear. | ||
| View original record | R. R. 235a (500 T) (B.D. 408. 26-4-17.) Bm. 2/158/13. To R. from EH. c. to CJ. c.to E. c. to BY. c. to Ds. X.3383. EH1/LG.241018. BALL BEARINGS IN PLACE OF ROLLER BEARINGS ON "EAGLE" EPICYCLIC GEAR.… | ||
| Scan012 | Bearing endurance testing, the replacement of Hess-Bright bearings, and sending parts to Mr. Royce. | ||
| View original record | R.R. 235a (500 Ty (S.D.) 408. 26-4-17.) Bm. 2/158/13. Contd:- an endurance run, but more with the idea of obtaining useful information. We know what the conditions are on the plain bearings and we… | ||
| Scan013 | Report concerning the failure of sample Hessbright planet wheel ball bearings for American engines. | ||
| View original record | X3403 R. From BY. c. WJ. c. EH. c. MOR. c. EP. October 25. 1918. BY6/P251018. AMERICAN ENGINES. X3663 EPICYCLIC GEAR PLANET WHEEL BALL BEARING. Referring to Mr Hives report EH2/LG231018 on the sample… | ||
| Scan014 | Request for balls from a faulty planet wheel bearing to analyze the chromium percentage. | ||
| View original record | R.R. 234 m (200 T) (S.E. 527. 21-2-18) G. 2129 E.F.C. EH. From BY. c. Mr Hall. October 31. 1918. BY14/P311018. X 3403. AMERICAN ENGINES. PLANET WHEEL BALL BEARING. Will you kindly hand over to Mr Hall… | ||
| Scan015 | The shipment and testing of planet wheel ball bearings for American engines' epicyclic gears. | ||
| View original record | R.R. 235 B (100 T) (S.E. 127, 21-2-18) G. 2129 X.3403 November 8. 1918. BY2/F81118 Mr Eastwood from HY. c. Mr Hargreaves. c. Ht. c. EP. c. RFC. AMERICAN ENGINES - EPICYCLIC GEAR. PLANET WHEEL BALL… | ||
| Scan016 | Laboratory report on the chemical analysis of a failed Hessbright Bearing from an American Planet Wheel. | ||
| View original record | R.R. 235a (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. X. 3403. H15/B23119. Mr Clark. January 23rd, 1919. Laboratory. From our Laboratory Fortnightly Report for December 7th, 1918, the following… | ||
| Scan017 | Letter regarding an order and testing of standard 35mm ball bearings from the Hess-Bright Manufacturing Co. | ||
| View original record | S.D. Copy to:- Wor. (struck through) E.H. H.H. X3403 RECEIVED 26 NOV 1917 Ref. By. from Oy. NOV. 6, 1917 We have today ordered from the Hess-Bright Manufacturing Co. two dozen of their standard, 35… | ||
| Scan018 | List of parts sent from the United States requiring experimental work. | ||
| View original record | X.3403 Jan. 30th 1920. X.3893 PARTS SENT FROM THE STATES ON JAN. 30TH. '20. WHICH EXPERIMENTAL WORK IS REQUIRED. In bag brought) by CY. seiz- ) (11) 1 new type A.C. spark plug - auto type. } X.3905 ed… | ||
| Scan019 | List of parts received from Mr. Olley for inspection and testing. | ||
| View original record | X.3403 To H.S. from E. Copy to CJ. " " Bn. " " Ck. E5/G4.3.20. We send you herewith the following list of parts received from Mr. Olley, for inspection and test:b X.3903. 1 Foxboro Thermometer.… | ||
| Scan020 | Extract discussing the sourcing of various car parts proposed to be sent to America. | ||
| View original record | R.R. 325A (100 T.) (N.C. 642, 19-2-20) G. 9218 X3403 Extract from Oy3/G7.6.20. Re - Parts proposed to be sent to America. Of the parts on your second list of "possibles":- X.3979. (1) Fan belts. can… | ||
| Scan021 | Two illustrations of a 'Q' Meter, a device for measuring air flow capacity. | ||
| View original record | R.R. 86 (20H.) (SE. 636. 4/1/18.) Bm. 2/229/24. V 3404 Glaisher Capacity 250 ft. free air per min. Area a x H Vela 550 High Speed 700 THE Q METER GRIFFIN & TATLOCK LTD LONDON Capacity 750 cu. ft. free… | ||
| Scan022 | Letter from consulting engineer G. J. Gibbs concerning the design and operation of patented air meters. | ||
| View original record | X 3404. G. J. GIBBS, M. I. MECH. E., A.M.I.E.E. -A.C.G.I.- CONSULTING ENGINEER. TELEPHONE 114. 7, LUNE STREET, PRESTON. Nov. 19th 1918 Dear Clough, I got home by last train last night and have found… | ||
| Scan023 | Inquiry about the accuracy of flow meters used for measuring air supply to internal combustion engines. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. X.3404 EFC2/T71218. 7th December 1918. Mr. C.J. Gibbs, 7, Lune Street, Preston. Dear Sir, Re - Flow Meters for air supply to internal combustion… | ||
| Scan024 | Page 2 of a letter inquiring about the supply of meters to measure atmospheric conditions. | ||
| View original record | EFC2/T71218 -2- atmosphere as regards :- (1) temperature. (2) pressure (3) hygrometric state. If you are in a position to supply these meters, could you give us an idea of time of delivery after… | ||
| Scan025 | Letter from consultant G. J. Gibbs arranging a visit to discuss air and flow meters. | ||
| View original record | G. J. GIBBS, M. I. Mech. E., A. M. I. E. E. A. C. G. I. CONSULTING ENGINEER. TELEPHONE 114. X.3404. 7, LUNE STREET, PRESTON. December 12th. 1918. Messrs. Rolls-Royce, Ltd., Nightingale Road, DERBY.… | ||
| Scan026 | Letter to Mr. G.J. Gibbs confirming a meeting regarding air flow meters. | ||
| View original record | R.R. 235a (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. X.3404. EFC2/T161218. December 16th 1918. Mr. G.J. Gibbs, 7, Lune Street, Preston. Dear Sir, RE AIR FLOW METERS. Thank you for your letter of the… | ||
| Scan027 | New D.C. Constant Voltage Generator, suggesting a potential experiment using parts from an old starter motor. | ||
| View original record | H.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. X.3405. To R. from EFC. c. to CJ. ---------- EFC2/L.41118. ---------- RE X.3405 - D.C. Constant Voltage Generator I am sending you herewith a page… | ||
| Scan028 | Evaluation of a new system from 'Electrical Review', cautioning against its construction if it is too heavy. | ||
| View original record | X 3405 Extract from R12/G11.11.18. X.3405.- Re system described in"Electrical Review" let us make an estimate of advantages of this new system before attempting to construct one. If it makes a heavy… | ||
| Scan029 | Page from 'The Electrical Review' detailing a D.C. generator for constant pressure at variable speed. | ||
| View original record | X.3405. Vol. 83. No. 2,132, OCTOBER 4, 1918.] THE ELECTRICAL REVIEW. 335 Closest concentration on one subject over longer hours than these must produce staleness and mental fatigue; but the man who is… | ||
| Scan030 | Blank document page with a Print Room reception stamp from Derby. | ||
| View original record | ROLLS-ROYCE, LIMITED PRINT ROOM. 2 NOV. DERBY | ||
| Scan031 | Page from The Electrical Review journal discussing machine voltage and listing new patents. | ||
| View original record | 338 THE ELECTRICAL REVIEW. [Vol. 83. No. 2,132. OCTOBER 4, 1918.] machine voltage with increasing load. By over-compensa- tion the voltage will rise with the load, and with under-com- pensation it… | ||
| Scan032 | Cover page marked with a Print Room reception stamp. | ||
| View original record | ROLLS-ROYCE, LIMITED PRINT ROOM. 2 NOV. '13 DERBY | ||
| Scan033 | Urgent need to test a double-strength spring on the petrol control valve to prevent wear on the needles. | ||
| View original record | EH. from BY. X3406 U.W. September 20. 1918. BY10/P20918. CARBURETTERS. RE PETROL CONTROL VALVE. The above matter is becoming of the utmost importance. Every day we are getting needles back which are… | ||
| Scan034 | Proposal for material changes to an altitude control valve for carburetters, specifying Brinell hardness. | ||
| View original record | R.R. 235 B (200 T) (S.E. 427, 21-2-18) G. 2129 RECEIVED Mr Hargreaves from BY. Mr Clough. Mr Ormerod. c. EH. c. EFC. November 7, 1918. BY20/KP71118. 8 NOV 1918 X3 CARBURETTERS. ALTITUDE CONTROL VALVE… | ||
| Scan035 | Fitting of altitude control needles for 'Eagle' engines on DeH.4 machines. | ||
| View original record | X3406 DF. From EP. Copy to EH. EP9/F81117. RE. ALTITUDE CONTROL ON "EAGLE" ENGINES FOR DeH.4 MACHINES. With reference to the order from the Director of Aeronautical Contracts for 20 sets of needles to… | ||
| Scan036 | Series 8 Altitude Controls, engine settings, and post-delivery adjustments. | ||
| View original record | X3406 A.T. c to Mr. Hives. EP/T15/R231117. Re Series 8 Altitude Controls. With reference to your memo BY8/F201117 we want to avoid two types of controls, and in conversation with Mr. Hives, I… | ||
| Scan037 | Internal memorandum about standardising the altitude control needles for Falcon and Eagle engines. | ||
| View original record | X3406 BY. from EP. c. to EH. c. to E. EP2/F301117. RE. ALTITUDE CONTROL RANGE. With reference to our conference with Capt. Briggs on this matter, on the 29th. inst., we have just received a report… | ||
| Scan038 | Corrosion found on carburetter petrol control valves, suggesting the use of stainless steel for both the valves and rivets. | ||
| View original record | X 3406 BY. from EP. c. to Wd. c. to EH. c. to F.Hall. EP12/F241018. RE. R.R. C.H. PETROL CONTROL VALVES. In examining repairs, we have found that on some carburetters a considerable amount of… | ||
| Scan039 | Carburettor vibration issues with the 8-Eagle Altitude Control Needle. | ||
| View original record | R.R. 63 (10m T) (S.F. 690. 28-5-19.) Bm. s/392/20. X3406 Hs. C to Rg. EP/P5/F16.8.21. Re - 8-Eagle Altitude Control Needle. We have just had a letter from Mr. Lappin pointing out that Messrs. Instones… | ||
| Scan040 | Design modifications to the steering gear for the 45/50 HP chassis. | ||
| View original record | R.R. 235a (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. X. 3441. X. 3463. X. 3465 X. 3418. Extract from --- Ex6/F291118. RE 1000 45/50 H.P. CHASSIS. STEERING GEAR. (6) All the points raised on LeC.537… | ||
| Scan041 | Request to manufacture a single F.887 Steering Worm for testing purposes. | ||
| View original record | H.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. To O.O. from BY/HBO. C. to Mr. Coverley. C. to EFC. 28th January 1919. BY/HBO3/W28119. CHASSIS. --------- RE STEERING WORM. X3465 -----------------… | ||
| Scan042 | Query regarding the black finish and engraving on chassis steering column quadrants. | ||
| View original record | R.R 236 n (200 T) (S.F. 103. 25-10-18) G. 2244 97C BN. from BY. c. EH. X.3465 BY/7/P20.6.19. CHASSIS STEERING COLUMN. RE BLACK FINISH TO QUADRANTS ETC, ON THE TOP OF THE STEERING COLUMN. I have… | ||
| Scan043 | Assembly list for Chassis 1. E.X., detailing components, part numbers, and remarks for the 'F' section. | ||
| View original record | X.3465 Extract from RHC1/LG30.6.19. CHASSIS 1. E.X. The above chassis is now complete and it has been assembled as follows:- "F" SECTION. S.S. No. REMARKS. X.3465. Steering Column Box. F.6453. X.3434.… | ||
| Scan044 | Fractured steering box rocking lever and front road spring during chassis testing on a bumping rig, including material analysis. | ||
| View original record | To BY. from EH. c. to Hn, c. to R. X.3465 EH2/LG11.8.19 X.2565 X.3465 RE 40/50 CHASSIS X.3447. /331 X.2628 We are running a chassis on the bumping rig. The chassis was fitted up with all new parts… | ||
| Scan045 | Analysis report on a fractured road spring, detailing its chemical composition and Brinell hardness tests. | ||
| View original record | Contd. -2- EH2/LG11.8.19. to be in a very crystalline condition. Below is Mr. Hall's report:- RE FRACTURED ROAD SPRING. Analysis. Carbon .72% Manganese .42 Chromium .57 Phosphorus .037 Silicon. .50… | ||
| Scan046 | 40/50 chassis bumping test, its setup, and a comparison of results to pre-war tests. | ||
| View original record | R.R. 535. 100 T/S/P. 274. 16-4-19. C. 2581 To R. from EH. c. Co. c to Bn. c to E. c to Da. X.3465 EH2/LG18.8.19. RE 40/50 chassis bumping test X. 1331. The bumping rig is rigged up in the same way as… | ||
| Scan047 | Tabulated log detailing component failures, their run time, and remarks on the issues. | ||
| View original record | SECTION FAILURES. TIME RUN. REMARKS. CENTRE bolt. 13 mins. " " 4hrs. 9 mins. " " 6 hrs. 4 mins. SPRINGS. Spring clips. 2 " 29 " " " 1 " 53 " " " 3 " 29 " " " 7 " 59 " X. 2628 Top leaves. 4 " 12 "… | ||
| Scan048 | Failure of a pendulum steering lever, debating its cause and appropriate material selection. | ||
| View original record | X.3465. To BN. from R. Copy to Cu. " " EH. " " HM. " " EY. " " E C. " " Mr. Hall. X.205. X.3465. RE PENDULUM STEERING LEVER. On the test at the Works Mr. Hives will tell us whether this part of the… | ||
| Scan049 | The mandatory Brinell hardness testing of steering levers to ensure correct heat treatment. | ||
| View original record | H.R. 735 & 208 T) (S.F. 674. 22-8-19) G. 2376 X3465 Mr Insull from BY. Mr Pendlebury. c. HBO. c. EH. c. Bn. BY3/P6.9.19. RE STEERING LEVERS. -------- It is most important that each lever must have a… | ||
| Scan050 | Proposal to standardize steering columns to two positions for English cars. | ||
| View original record | EH. from BY. copy x.3465 BN. c. to C. BY12/P19.9.19. T x.8706 x.3609 RE STEERING COLUMN. RE PROPOSAL TO USE ONLY TWO POSITIONS FOR ENGLISH CARS. Referring to EH5/LG17919, the position in regard to the… | ||
| Scan051 | Fractured rocking lever in a steering box for a 40/50 HP chassis. | ||
| View original record | V3465 R.R. 235a (500 T) (S.D. 408. 28-4-17.) Bm. 2/156/13. EH. from BY/Btn. BY/Btn1/P25.9.19. RE 40/50 HP, CHASSIS. ROCKING LEVER IN STEERING BOX. Referring to your report EH2/LG11819, we have looked… | ||
| Scan052 | Decision between 'A' steering and a long chassis, relaying Mr. Royce's opinion on the matter. | ||
| View original record | S.H. 288A (500 T) (S.D. 408. 25-4-17.) Bm. 2/156/13. To BN. from E. Copy to CJ. " " OY. " " DA. " " BY. " " EH. " " EFC. E1/G27.9.19. RE "A" STEERING AND LONG CHASSIS. X.3465.(struck through) X.3406… | ||
| Scan053 | Investigation into the failures of pendulum steering levers and summarizing results from bumping tests. | ||
| View original record | R.R. 235a (500 T) (S.D. 408. 28-4-17.) Bm. 2/156/13. X.3465 To R. from Bn. c. to Oy. Bnl/W30.9.19. Copy to CJ. c. to EP. " " Wor. for By. c. to Hm. " " Da. c. to CK. " " Hs. c. to HI. RE PENDULUM… | ||
| Scan054 | The rig testing of standard and redesigned levers, analysing failures and proposing design modifications to improve strength and reduce cracking. | ||
| View original record | R.R. 235a (500 T) (S.D. 408. 28-4-17.) Bm. 2/156/13. Contd. -2- Bnl/W30.9.19. The present standard lever, C.565 ran on the same rig in 5 cases, breaking at 1 hr. 32 mins, 12 mins., 6, hrs, 39 mins, 10… | ||
| Scan055 | Extract from Coachbuilders Conference No 6 discussing new steering column positions. | ||
| View original record | X3465 Oct. 8th. 1919. Extract from:-1 X.3465. Coachbuilders Conference No 6. Held at Conduit Street on the 26th September 1919 at 3 p.m. X 3406 (6) New Steering Column Positions. The matter of the new… | ||
| Scan056 | Standardisation of steering types and long chassis for the 40/50 HP model. | ||
| View original record | To Hy. from Bn. c. to Ck. X.3465 X.3406 Bn1/W131019. 40/50 HP. CHASSIS. Re "A" & "B" Type Steering. With reference to BY12/P9.10.19, the first paragraph of your note indicates the position. The sixth… | ||
| Scan057 | Proposal to abandon 'A' type steering in favour of 'B' type steering on the long chassis after the first 500 are produced. | ||
| View original record | R.R. 224 s-200(T) (S.Y. 674. 22-5-19) G. 2376 Ck X.3465 X.3706 To-By: from-Bn. cc-to-HB. cc-to-C. cc-to-Ie. Bn11/W71019. RE. PROPOSAL TO ABANDON "A" TYPE STEERING. Further to Bn20/W23919, at the… | ||
| Scan058 | Proposal to abandon 'A' type steering in favour of 'B' type for longer chassis models. | ||
| View original record | COPY. Bn. from By. c. Wer. CHASSIS - STEERING COLUMN. RE PROPOSAL TO ABANDON "A" TYPE STEERING. I notice from your memo Bnl1/W71019, that it is now considered desirable to abandon "A" type steering… | ||
| Scan059 | The decision to cancel a proposal to abandon 'A' type steering, continuing its use pending tests on an experimental long chassis. | ||
| View original record | X.3465. To BY. from Bn. X.3706 To Da. from Bn. X.3548. c. to R. c. to Hs. X.3465. c. to CJ. c. to CK. c. to C. Bn2/W30.10.19. RE PROPOSAL TO ABANDON "A" TYPE STEERING & USE LONG TYPE CHASSIS IN… | ||
| Scan060 | The failure of a side member and steering rocking lever during a bump test on a 40/50 chassis. | ||
| View original record | X3468 Extract from EH2/LG27.11.19. X.1881. BUMP TEST ON 40/50 CHASSIS. X.3440. X.3465. The point we should like to bring to your notice is the fact that we have broken another side member; a similar… | ||
| Scan061 | Laboratory analysis report on a fractured steering rocking shaft and a car frame part. | ||
| View original record | X.3465 COPY. Laboratory. Mr. Hives. R.M. 254 ... No. 14.4.19 (C) 2334 RE ONE ROCKING SHAFT(FRACTURED), AND ONE PART OF THE CAR FRAME. X.3440 ANALYSIS. Steering Rocking Shaft. Car Frame. Carbon - .31… | ||
| Scan062 | Analysis of a component failure attributed to a low yield point and repeated bending stress. | ||
| View original record | -2- H12/B25.11.19. of 340 and the interior 447. I consider that the failure is due to the soft surface having too low a Yield Point, so that repeated bending stress has tended to originate cracks from… | ||
| Scan063 | Modifications requested by Mr. Royce for a steering box axle following a bump test. | ||
| View original record | X3465 To DA. from E. Copy to CJ. " " BN. " " HS. " " CK. X.3465. - RE STEERING BOX AXLE. X.3920 Referring to the specimen of the above broken on the bump test, would you kindly note that Mr. Royce… | ||
| Scan064 | Faulty oil lip type lubricators on the steering column, which are easily damaged, and a suggestion for a smaller replacement. | ||
| View original record | R.R. 253 a (100 T) (S.E. 674 23-5-19) G. 2376 X 3465 BY c. to Dn. c. to Hs. c. to Ds. EP16/F29.3.20. A.T. RE. FAULTY LUBRICATORS ON STEERING COLUMN. The present lubricator used on the above is not at… | ||
| Scan065 | Response to various reported complaints about an open trials car, including noises and a radiator leak. | ||
| View original record | PN. from EP. c. to EH. c. to Hs. A.T. [Stamped] RE. 19-LW. - PN'S OPEN TRIALS CAR. I am sorry not to have/received your promised letter giving me details of your/complaints, as I am not quite happy… | ||
| Scan066 | Follow-up letter detailing an ongoing investigation into vehicle faults, including a slipper drive and side shaft slack. | ||
| View original record | -2- This we feel may be due to the slipper drive or some parts fixed to the front of the crankshaft catching the case. We are, however, taking advantage of the radiator being down to examine the front… | ||
| Scan067 | Failure of aluminium steering boxes and general unsatisfactory steering, with proposed considerations for improvement. | ||
| View original record | X3465 F.R. Hs. c. to Er. c. to De. c. to Fx. EP21/F23.4.20. RE. UNSATISFACTORY STEERING. We have now had two aluminium steering boxes break on cars on test, and we have so far not been able to give… | ||
| Scan068 | Improvements and tests on steering problems, specifically regarding springs and pendulum levers. | ||
| View original record | X.3465 To Hs. from R. Copy to CJ. " Bn. " Da. " EFC. " By. " PN. " EP. X.963. RE VERY INTERESTING TESTS ON STEERING PROBLEM. X.3491 In addition to my memo R4/G26.4.20, I think it will be advisable… | ||
| Scan069 | Design of a withdrawing device for a pendulum steering lever. | ||
| View original record | To Da. from R. Copy to CJ. " EFC. X.3465 R1/G3.6.20. X.4073. RE WITHDRAWING DEVICE FOR PENDULUM STEERING LEVER. C X.3465. With reference to the extraction nut, it looks as though this ought to screw… | ||
| Scan070 | Pressing for a scheme of plain thrust in the steering column using journal ball bearings to make it less reversible. | ||
| View original record | x 3465 To Hs. } from R. To Da. } Copy to CJ. " EPC. R5/G2.8.20. X.3791a. X.3465. RE STEERING. X.963. Many times I have pressed hard for a scheme of plain thrust in the steering column with journal… | ||
| Scan071 | Comparison of deflection and permanent set under load for Old style H section levers versus Oval section levers. | ||
| View original record | Load lbs | Old style H section levers | Oval section levers | Deflection | Per. Set | Deflection | Per. Set 1000 | .420" | | .390" | Nil 1500 | .615" | | .539" | Nil 2000 | .866" | .090" | .682" | Nil… | ||
| Scan072 | Test report card detailing a bumper spring failure. | ||
| View original record | BUMPER TEST. Spring. Position. Wgt. Remarks. Hrs. mins. Date. F.6408 N.S. 2000 lbs. Broken third leaf | ||
| Scan073 | Letter from Rolls-Royce of America reporting steering troubles on imported cars due to ball bearing wear. | ||
| View original record | X 3465 COPY Q/11/G1.9.20. Sept. 1st. 1920. Mr. Claude Johnson, Managing Director. Rolls-Royce Limited. Conduit St. London, England. X 3465 Re: New chassis Troubles. Steering Troubles X 4301 on… | ||
| Scan074 | Failure of a cross steering shaft on an experimental car due to low-speed steering wobbles. | ||
| View original record | X3465 To R. from Hs. c. to W. c. to Rn. c. to E. c. to Da. HS 8/LG28.10.20. X.3465. RE 40/50 CHASSIS STEERING. X.3920. We have broken the cross steering shaft in the steering box on the experimental… | ||
| Scan075 | Proposed thickening of a steering column ball bearing housing. | ||
| View original record | X3465 To By. from Da. c. to Hs. (1 print). c. to TB. (1 print). c. to RHC. (1 print). c. to EFC. Da4/CB27.11.20. X.4301. Re Steering Column. X.3465. §-------------------------- Replying further to… | ||
| Scan076 | Steering column ball bearing housing slack and potential design modifications. | ||
| View original record | COPY. Da. From By. By4/P4.10.20. X.3465. CHASSIS - STEERING COLUMN. X.4301. In Q/11/G1920, Mr. Olley raises the question that the ball bearing housing in the steering box nearest to the pendulum lever… | ||
| Scan077 | The uses and potential applications of Bakelite in automobile components like gears, coachwork, and steering wheels. | ||
| View original record | Contd. Extract from X.11075- X.3465 OY2/G21.12.20. recently acquired. X.430. Timing gears. for magnetos of canvas-Bakelite have been used for years. Also timing gears on many engines. They are silent… | ||
| Scan078 | Ongoing issues and potential solutions for steering control rattles. | ||
| View original record | X3465 Hs F.R. BY. c. to Hs. c. to Dd. C. to Sft. for Sc. EP2/P27.1.21. RECEIVED JAN 27 1921 RE. STEERING CONTROL RATTLES. We still continue to have trouble and complaints of rattles from the above.… | ||
| Scan079 | The failure and weakness of steering gear aluminium boxes. | ||
| View original record | X.3465 By. from EP. C. to HS. C. to Da. C. to E. A.T. EP27/P24.3.21. X3465 RE. FAILURE OF STEERING GEAR ALUMINIUM BOXES. ------------------- I again wish to bring forward the fact that we have had a… | ||
| Scan080 | The failure of steering gear aluminium boxes. | ||
| View original record | x3465 TO EP. from HS. Hs12/LG31.3.21. x3465 FAILURE OF STEERING GEAR ALUMINIUM BOXES. I would suggest you put this matter before R, giving him the details and the number of failures and send him… | ||
| Scan081 | Failure of steering gear aluminium boxes and a request for further examination. | ||
| View original record | H.R. 235A (100 T) (S.H. 798. 10-12-20.) G. 2347 X3465 A.T. EV. from EP. c. to Hs. _c. to Dr._ _c. to E._ X3465 EP6/H7.4.21. RE FAILURE OF STEERING GEAR ALUMINIUM BOXES. With further reference to my… | ||
| Scan082 | The despatch of a broken steering box to Mr. Royce. | ||
| View original record | X3465 To BP. from Hs. c. to Mr. Chatwin (Stores) Hs5/LG20.6.21. We are sending into the Stores for despatch to Mr. Royce - 1 broken Steering Box. Will you please give Stores the necessary instructions… | ||
| Scan083 | Failure of 40/50 steering boxes and the need for a design change to prevent sudden breakage. | ||
| View original record | X3465 To R. from Hs. c. to CJ. c. to E. c. to Da. c. to BY. Hs3/LG20.6.21. X3465 FAILURE OF 40/50 STEERING BOXES. We are sending to Mr. Royce a sample of a broken steering box. This was returned to us… | ||
| Scan084 | Failure of 40/50 model steering boxes. | ||
| View original record | CJ. from R. C. to Hs. X3465 R10/G27.6.21. X.3465 - RE FAILURE OF 40/50 STEERING BOXES X4264 CJ2/D23/6/21 - Paris. These have been of the same design and same fixing to the best of my knowledge, for… | ||
| Scan085 | Requesting that steering boxes be cast bigger to avoid internal 'hacking' away to get clearance. | ||
| View original record | X.3465 Extract from EP/Thn12/F28.6.21. X.3719 X3465 Will BY. please note that steering boxes are cast bigger so as to avoid so much internal "hacking" away to get clearance. EP. | ||
| Scan086 | Forwarding a copy of another memo from Paris concerning steering nuts, requesting comments. | ||
| View original record | X3465 Hs. EP/Thn10/O13.7.21. RE STEERING NUTS. X. 205 X. 3465 We attach hereto a copy of memo Wa3/Go. 6.7.21, we have received from Paris, upon which we shall be glad to have your comments. 2 attch… | ||
| Scan087 | The strength of steering nut housings, identified as a weak point. | ||
| View original record | AUTOMOBILES ROLLS ROYCE (FRANCE) LIMITED PARIS. EP Wa3/Go6.7.21. RE STEERING NUTS. We think it would be advisable to look into the question of the strength of the housings which hold the chasses. We… | ||
| Scan088 | Strengthened rocker arm in the steering box. | ||
| View original record | R.R. 4934. 100 T's H. 798. 10.12-20) G. 2947 Handwritten: tom To C.J. From E. Handwritten: v to hy. E1/M7.2.22. RE STRENGTHENED ROCKER ARM IN STEERING BOX. With reference to memo. By1/H4.2.22., I… | ||
| Scan089 | Production issues, part quantities, and scrapping costs for Rocker Arms. | ||
| View original record | To C.J. from Wor. [Handwritten notes:] AH Due to Previous competition + 1/72 Prenger in file in Browns... 21/2 Worl/EWT/FG13.2.22. Re Strengthened Rocker Arm in Steering Box. E1/M7.2.22 attached. In… | ||
| Scan090 | Summary of correspondence regarding the implementation of a strengthened rocker arm in a steering box. | ||
| View original record | [Handwritten note top right] AT. re Q We still don't know if it is a matter of risk to life. ? and E + W [Handwritten note top left] ? passim To BJ. from Py. Py16/D22.2.22. Re: Strengthened Rocker Arm… | ||
| Scan091 | Standardization of a strengthened rocker arm for the steering box, considering existing stock and potential safety risks. | ||
| View original record | To Hr. from BJ. BJ14/Hl.3.22. Re Strengthened Rocker Arm in Steering Box. With reference to the attached papers, which please return with your reply, please ascertain what is the present position of… | ||
| Scan092 | Use of old versus new strengthened Rocker Arms in the Steering Box. | ||
| View original record | [Handwritten top]: Bing Hf C W Conlon Derby To BJ. - from Hr. Strengthened Rocker Arm in Steering Box. BJ14/H1.3.22. ======================== The present position with regard to the above is that it… | ||
| Scan093 | Conference on strengthened rocker arms in steering boxes and using up existing stock. | ||
| View original record | To Hs. from BJ. X3465 BJ8/H11.3.22. Strengthened Rocker Arm in Steering Box. With reference to our conference on the 8th inst. concerning strengthened rocker arm and steering boxes, I enclose the… | ||
| Scan094 | Complaint from America about a cracked steering column tube on chassis 51-UB due to a manufacturing defect. | ||
| View original record | BY from EP. c. to Wor. c. to Hs. X 3465 EP4/H23.8.22 RECEIVED 23 AUG 1922 Re. Faulty Steering Column Tube - 51-UB. Mr. H.G.Work (America). X 3465 During my visit to America, I called at Long Island… | ||
| Scan095 | Investigation into a faulty steering column on a pre-war chassis, including changes to the manufacturing process. | ||
| View original record | Y3465 EP. from BY. e. Wor. c. Hs. BY5-P25.8.22. FAULTY STEERING COLUMN. CHASSIS 51-UB. PREWAR. Y3465 Referring to the tubular piece of the Steering Column which carries the worm which had been bored… | ||
| Scan096 | Steering performance, comparing setups with and without radius rods fitted. | ||
| View original record | 5. EX CHASSIS. X3465 6.9.22. X3706 X3485 REPORT ON STEERING WITH RADIUS RODS FITTED AND HIGH FRICTION IN STEERING COLUMN - STRAIGHT STEERING TUBE - 1/4" LEAN OF PIVOTS. Wobbles. These can be got but… | ||
| Scan097 | Issues of slackness in steering box bearings, detailing a customer complaint and proposing component replacement and further investigation. | ||
| View original record | [handwritten: V3465] BY. e. to Srt. c. to Hs. c. to E. [handwritten: Hs] EP6/H5.10.22. [handwritten: 1922] [Stamp: RECEIVED OCT 11 1922] re. FAULTY STEERING BOXES. We have had a certain amount of… | ||
| Scan098 | Mr. Royce's requested modifications to the steering wheel for the 6.EX car. | ||
| View original record | Y3465 To BY. from Da. c. to CJ. c. to Wor. c. to Hs. Dal/M04.11.22. RE. 40/50 X.3923 X.3465 X.4264. With reference to the steering wheel with the Goshawk type rim which is fitted on 6.EX Car, Mr.… | ||
| Scan099 | Steering box failures on the 40/50 chassis and proposing a material change to aluminium bronze. | ||
| View original record | X3465 Hs. BY7-P11.12.22. 40/50 CHASSIS. STEERING BOXES. Br, has written me to the effect that he has had three more 40/50 steering boxes which have broken right across as a result of slight accidents.… | ||
| Scan100 | Letter reporting repeated failures of steering boxes and suggesting the part is proving to be very weak. | ||
| View original record | COPY. Br1/H4.12.22. N-W. BY. C. to Wor. Technical - re Steering Boxes. With reference to the above, I wrote to you last June pointing out that two cars, viz., 56-RE and 8 X, had had accidents in which… | ||
| Scan101 | Letter regarding the frequent failure of steering boxes on several cars after minor impacts. | ||
| View original record | C O P Y. N&W BY. c. to Wor. Br1/H4.12.22. Technical - Re. Steering Boxes. With reference to the above, I wrote to you last June pointing out that two cars, viz., 56-RE and 8 X, had had accidents in… | ||
| Scan102 | Standardisation proposal for the Aluminium Bronze Steering Box to overcome failures. | ||
| View original record | R R 755 (5 M) (S.H. 187, 20-8-20) G. 2807. STANDARDISATION of CHASSIS PARTS Description of Parts. ALUMINIUM BRONZE STEERING BOX. Origin. To overcome failures. Experimental Test Report. We have had… | ||
| Scan103 | Steering box failures and recommending a material change from aluminium to aluminium-bronze. | ||
| View original record | Hs2/LG12.12.22. RE. STEERING BOXES. We have had a number of steering boxes fail, but so far we have excused them because the car has been known to have had accident. We consider, now however, that we… | ||
| Scan104 | Standardisation sheets, modifications to the 40/50 chassis, and aero engine work. | ||
| View original record | To Hs. from R. c. to CJ. Wor. c. to BJ. BY. X3465 R2/M14.12.22. STANDARDISATION SHEETS X.1034. X.3465. I have received standardisation sheets which are not marked for any particular chassis, i.e.,… | ||
| Scan105 | Mr. Royce's requested modifications for an 18-inch steering wheel model. | ||
| View original record | To BY. from Da. c. to HS. X3465 Del/M16.12.22. 40/50 - RE. 18" STEERING WHEEL. X.3465. X.1023. Mr. Royce has examined the model to N.sch.1349 and would like the following modifications carried out,… | ||
| Scan106 | Steering wobble, the effect of radius rods, pivot splaying and tyre springiness. | ||
| View original record | Y3465 To Hs. from Da. Dal/M20.12.22. RE. STEERING X.4264. X.4263. X.3465. X.3441. We understand that radius rods and no spring buffers or other flexibility in the steering eliminates steering wobbles… | ||
| Scan107 | From B.J. to Hs. regarding Mr. Royce's disagreement with Standardisation Sheet No. 3465 for an Aluminium Bronze Steering Box. | ||
| View original record | To Hs. from BJ. BJ4/H1.1.28. Aluminium Bronze Steering Box. Standardisation Sheet No. 3465. With reference to the attached, I do not see how we can agree in view of Mr. Royce's remarks to the effect… | ||
| Scan108 | Steering characteristics, specifically the lack of self-centering and the effects of plain thrust and radius rods. | ||
| View original record | To R. from Hs. c. to CJ. c. to E. c. to Da. c. to BY. X3465 Hs2/LG1.1.23. STEERING X.4264. X.3465. The best steering we have tried on a 40/50 car or a 20 HP. car is one fitted with radius rods to the… | ||
| Scan109 | Technical analysis of steering column friction, road shock, and pivot design. | ||
| View original record | contd:- -2- the column is so effective that we can run without the radius rods, having the front springs fitted up in the normal way and still get practically no shock on the steering wheel. It is… | ||
| Scan110 | Record of load tests performed on a standard steering system with a diagram. | ||
| View original record | ERSS (10M BKS) (SH 688 5-11-20) MP 231103 ROLLS-ROYCE LTD. INSTRUCTIONS To: Mr Hives Order No. 5EX Standard Steering Customer's No. Loads taken to move steering wheel with side steering rod removed,… | ||
| Scan111 | Instructions and sketch for testing a steering column under load. | ||
| View original record | S.2.8. (10M BKS) (FOR ORD S.11-20) UP 231103 ROLLS-ROYCE LTD. INSTRUCTIONS To: Mr Hives Order No.: 5 EX Customer's No.: Steering Column with friction in stout-housing Load taken to move steering wheel… | ||
| Scan112 | Comparison of the 40/50 HP steering system with the Delage steering system. | ||
| View original record | Y/3465 To R. from Hs. c. to CJ. c. to L. c. to Dm. c. to EY. Hs2/LG10.1.25. RE. STEERING. X3500 X3465 We have made several comparisons with the 40/50 HP. steering with and without the plain thrust on… | ||
| Scan113 | Report comparing steering effort and road shock transmission between a Delage car and a 40/50 HP model. | ||
| View original record | contd:- -2- in the column, that 6 lbs. pull on the pendulum lever turned the steering wheel. On the Delage car it was necessary to have 22 lbs. pull on the pendulum lever in order to turn the wheel.… | ||
| Scan114 | Steering effort tests comparing a 40/50 model, an R.R. model, and a Delage car. | ||
| View original record | contd:- -3- We fixed on to the steering wheel of each car a pulley (12.5" radius) around which we passed a wire and hung on weights. The 40/50 with the ball thrust took 4.5 ozs., the Delage 14 ozs.… | ||
| Scan115 | Pivot inclination angles on front axles for 'Stork', 'Heron', and 'Goshawk' models, referencing wobbling issues and Delage steering. | ||
| View original record | To Hs. from Da. c. to EY. X/3465 Dal/M13.1.23. RE. FRONT AXLES. X.4547 X.4264 X.3525 X.3465 We recently had a request from EY's Dept. asking for final instructions as to the inclination of the pivots… | ||
| Scan116 | Query for particulars of a Delage steering system for comparative calculations against a 40/50 model. | ||
| View original record | contd:- -2- Could you inform confirm this and could you at the same time give us particulars as to the pitch, diameter, linear pitch of the worm, number of starts in both worm and wheel so that we can… | ||
| Scan117 | Design changes to the 'Seagull' steering box, moving to a worm and worm-wheel system. | ||
| View original record | To Hs. from R. c. to CJ. Wor. c. to Da. BY. c. to Mr. Claremont. X3465 RL/M15.1.23. RE. STEERING X.3929. X.4264. X.3465 Many thanks for memo. I was pleased to hear that most of the points are as we… | ||
| Scan118 | Test procedure for a rig designed to test the efficiency of carrying trunnions in the 40/50 steering box. | ||
| View original record | X.3465. To BY & Hs. from Da. c. to CJ. Wor. Da3/M19.1.23. We send herewith N.sch.1371 shewing a rig which Mr. Royce would like made to test the efficiency of a method of carrying the trunnions in the… | ||
| Scan119 | The successful implementation of a solid steering nut on the 40/50 model. | ||
| View original record | Da. from Hs. X3465 Hs2/LG22.1.23. RE 40/50 STEERING. X3465 We have had no complaints as regards the solid steering nut, in fact, we consider it an advantage and a feature which should be incorporated… | ||
| Scan120 | Alterations to a steering mechanism, including abandoning certain components and correcting geometric errors. | ||
| View original record | To OY. from R. c. to CJ. BJ. c. to EP. Hs. c. to BY. Da. X3465 R8/M29.1.23. RE. STEERING. X.3441 X.3465 X.3682. I was very pleased to receive your notes re, steering mechanism. We are making… | ||
| Scan121 | Despatch of a wooden model steering wheel for inspection. | ||
| View original record | X3465 BP. from Hs. c. to Chat. Hs1/LG13.3.23. We are sending into the Stores for despatch to Mr. Day. W.W. - for his inspection :- 1 wooden model Steering wheel. Will you please instruct the Stores as… | ||
| Scan122 | New wooden model of a 40/50 steering wheel, considered an improvement. | ||
| View original record | De. from Hs. X3465 Hs2/LG13.3.23. STEERING WHEEL - wood model. X3465 We are sending to you today - 1 wooden model 40/50 Steering wheel made to the latest drawings. In our opinion we think the wheel is… | ||
| Scan123 | Design and standardization of a larger 40/50 steering wheel, comparing it to the Goshawk model. | ||
| View original record | Y3465 To Hs. from Da. Dal/MG 4. 23. RE. LARGER STEERING WHEEL - 40/50. X.172. X.3465 We agree that the model steering wheel sent down here is the best section we have had so far and we consider that… | ||
| Scan124 | Recommendation to make the 17.5-inch celluloid covered steering wheel for the 40/50 model a standard feature. | ||
| View original record | To Hs. from R. X3465 R2/M6.7.23. 40/50 STEERING WHEEL X.3465 The 17 1/2" celluloid covered wheel fitted to 6.EX seems particularly pleasing and I hope it will be made standard as quickly as possible.… | ||
| Scan125 | The standardisation of an improved taper type ball end for the 40/50 chassis and the required modifications to steering levers. | ||
| View original record | Mr Booth, c. Hs. X 3465/ BY11-P1.10.23. STEERING LEVERS & BALL ENDS. X 3418 We have received the completed standardisation sheet for the improved taper type ball end for application to the 40/50… | ||
| Scan126 | Standardisation of a washer for the steering box stud. | ||
| View original record | R.R. 755 (10M) (SL 72 18-7-23) MP 274954s. Y3465 COMPLETED 18.10.23 STANDARDISATION of CHASSIS PARTS. Date 26.9.23. Description of Parts: WASHER FOR STEERING BOX STUD. Origin: To improve design.… | ||
| Scan127 | Standardisation of a steering wheel by adding a collar to the spokes to improve finish and appearance. | ||
| View original record | R.R. 755 (10M) (SL 72 18-7-23) MP 274954a. Y-3465 Completed 26-10-23 STANDARDISATION of CHASSIS PARTS. Date 25.9.23. X No. 3465 Description of Parts. STEERING WHEEL. Drawing No. Part List Origin: To… | ||
| Scan128 | Standardisation of a steering box with more room to avoid hand-work. | ||
| View original record | R.R. 755 (10M) (SL 72 18-7-23) MP 274954s. COMPLETED 2.11.23. STANDARDISATION of CHASSIS PARTS. Date 25.9.23. Description of Parts. STEERING BOX WITH MORE ROOM TO AVOID HAND-WORK. Origin: To… | ||
| Scan129 | Proposed alteration to the steering wheel design for the 40/50 HP chassis and arranging a road test. | ||
| View original record | To BY. from BJ. [Struck through] Copy to PN. STEERING WHEEL: 40/50 H.P. I understand that there is a suggestion that on the 40/50 H.P. chassis we should alter the design of the steering. Can you… | ||
| Scan130 | Proposal to standardise the 18-inch Dover type steering wheel for the 40/50HP chassis, including corrections to drawings. | ||
| View original record | X3465 Wd. c. Hs. c. Mr Booth. BY7-P12.12.23. PROPOSED LARGER STEERING WHEEL. A standardisation sheet has been sent round for standardising on the 40/50HP chassis the Dover type of wheel. In putting… | ||
| Scan131 | Design flaws of a proposed larger steering wheel after road testing on a 107-MG vehicle. | ||
| View original record | X/3465 PN6/DN/28.12.23. TO B.J. FROM P.N. I have now had an opportunity of using the proposed larger steering wheel on 107-MG (Open Touring 40/50), and my impression of it is, whilst I like the larger… | ||
| Scan132 | Feedback on a proposed larger steering wheel for the 40/50 HP model. | ||
| View original record | Ho. √3465 PN5/DN/3.1.24. TO By. c. to BJ. a. to Hs. FROM P.N. PROPOSED STANDARDIZATION OF LARGER STEERING WHEEL - 40/50 H.P. Various officials of the Sales Dept. have driven the car to which the… | ||
| Scan133 | Standardisation document for an improved design of a steering wheel, increasing its diameter. | ||
| View original record | R.R. 755 (10M) (SL 72 16-7-23) MP 274954a. X3465 COMPLETED 10.1.24. STANDARDISATION of CHASSIS PARTS. Date 8.12.23. X No. 3465 Description of Parts. STEERING WHEEL. Origin: Improved design.… | ||
| Scan134 | Standardisation document for an improved design of steering wheel. | ||
| View original record | R.R. 755 (10M) (SL 72 18-7-23) MP 274954s. COMPLETED 10.1.24. STANDARDISATION of CHASSIS PARTS. Date 8.12.23. Description of Parts. STEERING WHEEL. X No. 3465 Origin: Improved design. Drawing No. Part… | ||
| Scan135 | The specifications for a larger steering wheel for the 40/50 HP model. | ||
| View original record | BY. from HS. X3465 Hs1/LG14.1.24. LARGER STEERING WHEEL - 40/50 HP. We assume that you will order a steering wheel from the I.R.G.P. which has the rim dimensions of the E.A.C. wheel except with a bit… | ||
| Scan136 | Improved steering wheel design, returning an incomplete sheet and awaiting a new sample. | ||
| View original record | To Hs. from BJ. BJ6/H14.1.24. Y/3465 STEERING WHEEL. (Improved Design). I return Sheet 3465. As this is still incomplete, please keep it. I believe PN. wrote By. asking for the new sample, for which… | ||
| Scan137 | New larger diameter 40/50 steering wheel with a thicker rim and rounded spokes. | ||
| View original record | To BJ. from Hs. c. to PN. X3465 Hs2/LG14.1.24. 40/50 STEERING WHEEL. We are obtaining another 40/50 larger dia. steering wheel in which the section of the rim is thicker and has the corners of the… | ||
| Scan138 | Analysis of the factors causing steering wheel movements at high speeds on rough roads. | ||
| View original record | X3465 C.F.S. C. Hs. C. Hor. BY1-P26.3.24. STEERING WHEEL MOVEMENTS AT HIGH SPEEDS. I am of the opinion that the steering wheel movements set up when the car is driven at high speeds over rough roads… | ||
| Scan139 | Analysis of steering dynamics, including gyroscopic effects, wheel inertia, and front axle anchorage. | ||
| View original record | BY1-P26.3.24. contd. - 2 - d/- If the front axle were anchored at the front the two actions would tend to cancel out, as then the inertia effect of the wheel described under b/- would give a left hand… | ||
| Scan140 | Causes of and solutions for road shocks in car steering systems, including pivot points and wheel design. | ||
| View original record | To HS. DA. E. } FROM R. RG. BY. } c. to CJ. BJ. Wor. PN. EP. C. H. STEERING OF ALL CARS. Mr. Bailey's theory has pointed out that we must not expect a definite reduction in road shocks from… | ||
| Scan141 | Steering tests for a 40/50 car fitted with a front axle and disc wheels. | ||
| View original record | R.R. 493A (40 H) (SL 42 12-7-23). J.H., D. Y32465 EXPERIMENTAL REPORT. Expl. No. REF Hs6/7.01.4.24. To R. from Hs. c. to CJ. RG. c. to E. DA. c. to BY. WOR. STEERING. Y3465 / Y457 We have been testing… | ||
| Scan142 | Steering shock when driving over obstacles. | ||
| View original record | R.R. 493A (40 H) (SL 42 12-7-23). J.H., D. EXPERIMENTAL REPORT. Expl. No. REF: Hes/L/1.4.24. We have carried out tests on a smooth flat piece of road by running the car over obstacles. We used some… | ||
| Scan143 | Steering tests and issues with low-speed wobbles. | ||
| View original record | R.R. 403A (40 H) (SL 42 12-7-23). J.H. D. -3- Expl. No. REF:HS6/LG1424 EXPERIMENTAL REPORT. We have found a piece of road near Derby which approximates closely to a bad French road - we feel quite… | ||
| Scan144 | Steering geometry, components and potential modifications to mitigate road shocks. | ||
| View original record | To RG. & HS. FROM R. c. to CJ. DA. E. BY. STEERING. X.963 X.9430 X.3465 We are anxiously awaiting the test of the low rating, ample clearance, slightly set up buffers in the longitudinal tube. Upon… | ||
| Scan145 | Requesting an update on the status of the 40/50 HP steering wheel. | ||
| View original record | To Hs. from BJ. BJ11/H7.5.24. X3465 40/50 H.P. STEERING WHEEL. Can you please let us know how this matter stands now? B.J. | ||
| Scan146 | Receiving a larger diameter steering wheel for the 40/50 HP model to address sales criticism. | ||
| View original record | To BJ. from Hs. 73465 Hs11/LG12.5.24. 40/50 HP. STEERING WHEEL. We anticipate receiving from the makers a larger diameter steering wheel modified to overcome Sales criticism, sometime this week. As… | ||
| Scan147 | Use of floating steering pivot bushes and the superiority of grease over oil for lubrication. | ||
| View original record | Y3465 To Hs. from Da. c. to BY. DAL/M14.5.24. STEERING PIVOT BUSHES. Y3441 X4400 The use of floating bushes has been frequently suggested and we are under the impression that a verbal instructions to… | ||
| Scan148 | Different types of steering wheels for the 40/50 HP chassis. | ||
| View original record | V3465 Hs. BY/C20/H. 20. 5. 24. 40/50 HP. CHASSIS. STEERING WHEEL. We have instructed the Order Office to send in to your Department three steering wheels, F.10440 and F.10447. The first mentioned are… | ||
| Scan149 | Larger diameter 40/50 HP chassis steering wheel sent for review by the Sales Department. | ||
| View original record | To FN. From Hs. c. to BJ. c. to RHC. 43465 Hs12/LG27.5.24. 40/50 HP. CHASSIS STEERING WHEEL. We are sending to you addressed to Conduit Street, a 40/50 steering wheel of the larger diameter with the… | ||
| Scan150 | From Hs. to Roy. regarding the purchase of a small wheel for experimental purposes. | ||
| View original record | To ROY. from Hs. X3465 Hs7/LG11.6.24. We have purchased a small wheel for experimental purposes. Attached herewith is the invoice. Will you please forward an order to these people for this wheel. Hs. | ||
| Scan151 | Request to standardise a larger steering wheel for the 40/50 HP model following a sales recommendation. | ||
| View original record | Handwritten: AB C.J., B.J., & PN did not sign the original sheet S/W By XSLG5 Typed: C20/C18.6.24. Larger Steering Wheel on 40/50 h.p. With reference to the question of the larger steering wheel, this… | ||
| Scan152 | Standardisation document for an improved, larger diameter steering wheel. | ||
| View original record | RR 755 (10M) (SL391 2-11-23) MP 281297 V32465 COMPLETED 21.6.24. STANDARDISATION of CHASSIS PARTS. Date 6.12.23 X No. 3465 Description of Parts. STEERING WHEEL. Origin. Improved design. Experimental… | ||
| Scan153 | Sample steering pivot bush lined with Kelmet metal. | ||
| View original record | To DA. from Hs. V32465 Hs5/LG26.9.24. STEERING PIVOT BUSHES. We are sending to you a section sample of a steering pivot bush lined with Kelmet metal. It is necessary to have a steel casing because the… | ||
| Scan154 | Despatch of a sample steering pivot bush to Mr. Day in Canada for examination. | ||
| View original record | X3465 To BP. from Hs. c. to Mr. Chatwin- Stores. Hs8/LG26.9.24. We are sending into the Stores for despatch to Mr. Day, Canacha, W.W. - 1 section sample steering pivot bush. This is being sent to Da.… | ||
| Scan155 | Manufacturing challenges for die-cast steering wheels and evaluating alternative suppliers. | ||
| View original record | X 5465 PY. from ROY. c. to Hs. ROY1/MG30.1.25 Die Cast Steering Wheels It seems to me we must face the fact confirmed by Mr. Owen, of the Birmingham Aluminium Castings Co.Ltd (who is recognized as one… | ||
| Scan156 | Clarifying production difficulties with Silvertown and Dover steering wheels. | ||
| View original record | BY. from ROY. c. to Hs. V3465 ROY2/MG2.2.25 Steering Wheels - BY2/H2.2.25 Our difficulty with the Silvertown covered Steering Wheel lies not in the production of the centre itself, but in getting a… | ||
| Scan157 | Casting difficulties for steering wheel centres for the present design and the Dover type. | ||
| View original record | X32465 c. Hs. BY2/H. 2. 2. 25. STEERING WHEELS. ----------------- Referring to Royl/MG. 30.1.25. the casting difficulty remains whether we maintain the present design or the Dover type. The real… | ||
| Scan158 | Casting difficulties of die-cast versus sand-cast steering wheels. | ||
| View original record | X/3465 Roy c. Hs. -------- BY11/H. 5. 2. 25. -------- STEERINGWHEELS. -------- Whilst I pointed out that so far as die castings were concerned the difficulty of producing a die casting lay in the fact… | ||
| Scan159 | Forwarding a blueprint comparing steering on the 40/50 HP chassis, with and without front wheel brakes (F.W.B.). | ||
| View original record | To Hs. X32465 BY/HEB6/M.21.3.25. 40/50 HP. CHASSIS. We herewith forward you Blue Print of LF.579, shewing comparison of Steering for 40/50 Chassis without F.W.B. and 40/50 Chassis with F.W.B. for your… | ||
| Scan160 | The causes and potential solutions for heavy steering issues on the 40/50 and EAC models. | ||
| View original record | To Hs. from R. To BY. from R. c. to CJ. DA. Wor. 43465 S E C R E T. E. A. C. STEERING. X:8430 X.3465 X:4864 It has now been found that the feature of heavy steering also occurs on the 40/50 but it has… | ||
| Scan161 | Unfinished 40/50HP chassis steering wheel being sent for use on an experimental car. | ||
| View original record | HS. X3265 BY/HMB/W.7.5.25. 40/50HP. CHASSIS STEERING WHEELS. We are sending you herewith a steering wheel on which the ebonite covering on the arms has not been finished off in a manner which we can… | ||
| Scan162 | Sourcing options, costs, and production issues for 40/50 HP steering wheels. | ||
| View original record | 43465 Work from ROY. c. to PY. c. to Ha. c. to Wd. ROY19/MG20.5.25. 40/50 HP. Steering Wheels. Piece No. 72692 17" No.71809 18" Under existing arrangements we are producing these Castings in the Shops… | ||
| Scan163 | The quality of 40/50 HP steering wheels, proposing a move from cast centres to forged Duralumin centres. | ||
| View original record | X3465 Royer. c. Hs. BY14/H. 27.5.25. 40/50 HP. STEERING WHEELS. Referring to Roy19/MG. 20.5.25. the position at the moment is that we are turning down quite a number of centres as produced by the… | ||
| Scan164 | Steering wobble problem for clients Carlos de Salamanca and the King of Spain, and a proposed patented solution. | ||
| View original record | X3465 To CJ. from R. c. to Wor. HS. BY. c. to EP. PN. R2/M20.6.25. RE. CARLOS DE SALAMANCA - AND X.457 THE KING OF SPAIN. X.3465 The steering wobblem is something beyond my control. It is due to… | ||
| Scan165 | Extract discussing steering box mounting issues on 40/50 and EAC models and proposed solutions. | ||
| View original record | K32465 Extract from R1/M29.4.25. (X.8770 X.2565) STEERING 40/50 BUT PRINCIPALLY EAC. X.3430 X.3465 Both 40/50 and EAC. boxes require careful fitting to give easy steering, but I believe that the… | ||
| Scan166 | Requesting a larger diameter experimental steering wheel for car 78-FW. | ||
| View original record | S/W. Hs. CONFIDENTIAL. K3465 Bt1/EP/9.2.25. Dict. 7/2. I am anxious to obtain one of the steering wheels with a larger diameter for use on my car 78-FW. I am told that should this big wheel be… | ||
| Scan167 | 'wheel wobble' issue, requesting the chassis number for further diagnosis. | ||
| View original record | To Rg. from Hs/Rm. X3465 WHEEL WOBBLE. +457 With reference to Mr. Smith's letter attached. We suggest that an answer like the one we attach might meet the case. We should however like to know the… | ||
| Scan168 | Diagnosing the cause of wheel wobble and illustrating a method of correction. | ||
| View original record | R.R. 493A 150 H (D.D. 31. 12-6-25) J.H.D. EXPERIMENTAL REPORT. Expl. No. REF: Hs/Rm2/LG161025 To RG. from Hs./Rm. WHEEL WOBBLE. There are two kinds of wheel shimmy quite separate in cause and cure. A… | ||
| Scan169 | Recommendations to correct low-speed wobble and shimmy. | ||
| View original record | R.R. 493a (50 H) (D.D. 21. 12-6-25) J.H.D. EXPERIMENTAL REPORT. -2- Expl. No. REF Hs/Rm2/LG161025 will develop low speed wobble. Carefully check the lean of the pivot and if it is more than 1°, alter… | ||
| Scan170 | New Phantom car being taken to France for a 10,000-mile test. | ||
| View original record | X3465 To PN. from Hs. Hs3/LG24.10.25. SILVER GHOST STEERING. PN6/DN23.10.25. We expect to be in London one day next week with the new Phantom car which is going to France for a 10,000 miles test. We… | ||
| Scan171 | Discussion about steering wobble issues on 'Silver Ghost' models fitted with front-wheel brakes. | ||
| View original record | X3465 PN6/DN23.10.25. TO Hs c. to H FROM PN "SILVER GHOST" STEERING. In connection with this and your Hs1/LG18.9.25, BJ wishes that you, H. and myself shall discuss as early as possible the position… | ||
| Scan172 | Internal report discussing the correct phrasing for a letter to owners about front wheel balancing on Silver Ghost cars. | ||
| View original record | R.R. 493A (50 M) (D.D. 31. 12-6-25) L.H.D. EXPERIMENTAL REPORT: Expl. No. X3465 REF: Hss/LG11.12.25. To B.J. from Hs. BALANCING FRONT WHEELS ON SILVER GHOST CARS. Y401 X3465 With reference to the… | ||
| Scan173 | Standardisation of the steering wheel size for the New Phantom. | ||
| View original record | X32465 To BY. from Hs. Hs1/LG10.3.26. STEERING WHEEL FOR NEW PHANTOM. X3465 X8430 With reference to C2/C9.3.26 attached. There has never been a standardisation sheet for the steering wheel on the New… | ||
| Scan174 | Two potential causes of steering stiffness on chassis No. 22-LC. | ||
| View original record | L32465 To Hm. from Hs. Hs1/LG13.3.26. Chassis No.22-LC - J.Spedan Lewis. /80430 With reference to HRL/PD/12.3.26. attached. There are two points on the steering which will cause it to become stiff -… | ||
| Scan175 | Performance data for a Silver Ghost type nut and worm with 1.125 lead. | ||
| View original record | SILVER GHOST TYPE NUT & WORM - 1.125 LEAD. The following table gives the loads and corresponding efforts required to give efficiencies the same as laid down for the new .720 lead nut and worm.… | ||
| Scan176 | Calculation sheet for a Silver Ghost type Nut & Worm with a 1.125 lead, detailing loads, efforts, and efficiencies. | ||
| View original record | SILVER GHOST TYPE NUT & WORM 1.125 LEAD The following table gives the loads and corresponding efforts required to give efficiencies the same as laid down for the new .720 lead Nut + Worm. Actually the… | ||